/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package com.zoesoft.myfirst;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author xzf
 */
@WebServlet(name = "myServlet", urlPatterns = {"/myServlet"})
public class myServlet extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        try (PrintWriter out = response.getWriter()) {
            /* TODO output your page here. You may use following sample code. */
         //   out.println("<!DOCTYPE html>");
         //   out.println("<html>");
        //    out.println("<head>");
        //    out.println("<title>Servlet myServlet</title>");            
        //    out.println("</head>");
        //    out.println("<body>");
        //    out.println("<h1>Servlet myServlet at " + request.getContextPath() + "</h1>");
        //    out.println("</body>");
        //    out.println("</html>");
        //1.获得请求方式
        String method = request.getMethod();
        //2.获得请求的资源相关的内容
        String requestURI = request.getRequestURI();//获得请求URI
        StringBuffer requestURL = request.getRequestURL();
        String webName = request.getContextPath();//获得应用路径（应用名称）
        String querryString = request.getQueryString();//获得查询字符串
 
        response.getWriter().write("<h1>下面是获得的字符串</h1>");
        response.getWriter().write("<h1>method(HTTP方法):<h1>");
        response.getWriter().write("<h1>"+method+"</h1><br>");
        response.getWriter().write("<h1>requestURi(请求URI）:</h1>");
        response.getWriter().write("<h1>" + requestURI + "</h1><br>");
        response.getWriter().write("<h1>requestURL(请求URL）:</h1>");
        response.getWriter().write("<h1>" + requestURL + "</h1><br>");
        response.getWriter().write("<h1>webname(应用名称):</h1>");
        response.getWriter().write("<h1>" + webName + "</h1><br>");
        response.getWriter().write("<h1>querrystring(查询字符串):</h1>");
        response.getWriter().write("<h1>" + querryString + "</h1>");
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
